Insulation boards and methods for their manufacture
US8106106B2 · kind B2 · utility
2Cited by
5References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 24, 2010 |
| Grant date | Jan 31, 2012 |
| Priority date | — |
| Expiry date | Sep 24, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S521/902
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method for producing polyisocyanurate insulation foams, the method comprising contacting an A-side stream of reactants that includes an isocyanate with a B-side stream of reactants that include a polyol and a blowing agent, where the blowing agent includes isopentane and n-pentane in a substantial absence of cyclopentane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.